uf2tool

Erlang escript to work with .uf2 files, initially developed to flash Raspberry Pi Pico microcontrollers with AtomVM virtual machine and Erlang applications.

Build

$ rebar3 escriptize

Run

$ _build/default/bin/uf2tool

Usage

uf2tool help

Display some help message

uf2tool join

uf2tool join -o combined.uf2 first.uf2 second.uf2...

Join two or more UF2 binaries. There is no check that UF2 files do not overlap.

uf2tool create

uf2tool create -o new.uf2 -s start_addr image.avm

Create a new UF2 file from a given binary file, for example an .avm generated by packbeam.

The start address can be written in decimal or hexadecimal prefixed with 0x or 16#.